Tag: "rules" at biology news

New method identifies chromosome changes in malignant cells

...tegrative Genomics. "All you know are some general rules of grammar and syntax. It would take you years to do by hand, and it's even very hard with a computer." Troyanskaya and Myers started with data from genomics tools that identify thousands of genes at once and show how actively they are being used. Th...

Flies have morning and evening clocks

...ng understanding the wiring rules, the biochemical rules and the functional behavioral rules," he said....

UF scientist: 'Brain' in a dish acts as autopilot, living computer

...m into today's computers. "If we can extract the rules of how these neural networks are doing computations like pattern recognition, we can apply that to create novel computing systems," he said. DeMarse experimental "brain" interacts with an F-22 fighter jet flight simulator through a specially design...

Almost good enough to eat

...of dietary restrictions exist. The origin of these rules is often debated. For Alpina Begossi, Natalia Hanazaki and Rossano Ramos (Universidade de Campinas, Brazil), the question of food taboos led to an investigation of the dietary restrictions among fishers in the Amazon and Atlantic Forest. The researc...

Solutions to stop fishermen returning dead and dying marine animals back into sea - study

...e. Under the proposals, those who comply with the rules would be allocated more fishing days at sea as an incentive. The research paper's lead author, Tom Catchpole, said: "Millions of pounds of potential fish landings are lost through discarding. For the improvement of stocks like whiting, haddock and p...

Structure of new DNA enzyme family member found

...ether proteins might evolve using similar kinds of rules that whole organisms use to evolve," Ealick reasons. In fact, his group is finding numerous examples of this. Says Ealick, "I view this like the drawing you often see in textbooks on human evolution that first shows a primitive chimpanzee, and then y...

Linking empires, economics, evolution

...to the book. Human society is still following rules established billions of years ago, and nothing suggests that we can change that direction, Vermeij said. But our ability to anticipate and learn may help us to find ways to survive without destroying our environment and ourselves. Vermeij receiv...

Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks

...term costs of impulsiveness.In addition, impulsive rules have a discrimination advantage over far-sighted rules. This may have practical implications because scientists believe that impulsiveness limits cooperation and may cause addiction. Contact: Dr David Stephens, Ecology, Evolution & Behaviour, Univer...

The logic of life brings order to our genes

...e were 25,000 players on the field? What would the rules be like, and how many referees would it take to make sure that the rules were followed? As it happens, our genomes consist of networks of roughly 25,000 interacting genes, ...

Fragmented habitats no ultimate refuges for forest-dwelling tropical birds

...y also followed what Pimm called "some very simple rules of thumb: If there are four feet of rain a year and it's warm and the rain falls in every month you're going to have lush tropical foliage." They estimated how many varieties of birds lived in the region before deforestation by consulting available r...

Impulsive behavior may be relict of hunter-gatherer past

... education, investment and marriage; the impulsive rules that work well for foragers do more harm than good when applied in these situations. "Impulsiveness is considered a big behavior problem for humans," said Stephens. "Some humans do better at binary decisions like 'a little now or a lot later' ...

Singing in the brain

...song segments at a time, they implicitly learn the rules for putting all five segments together. In a fin... know what the puzzle picture looks like, just the rules for putting the pieces together," for example, that they fit like locks and keys, he says. Rose be...

Study in Royal Society journal on first evidence for magnetic field detection in sharks

...olla, CA 92093-0109, USA State-dependent foraging rules for social animals in selfish herds by Dr SA Rands...complex behaviours of herds can emerge from simple rules followed by each group-member. Contact: Dr Sean Rands, Department of Zoology, University of Cambridg...

Leibniz prizewinners 2005

...se the strategic bidding behaviour and the auction rules of Internet platforms and has in this way made highly complex real-life markets accessible to scientifically sound investigation. His most recent work has dealt with market architecture, promising not only great potential for basic research but also ...

Hospital epidemiologists trace outbreak of organism to commonly used wound care equipment

... experts at The Johns Hopkins Hospital say tighter rules governing use of a hand-held, high-pressure, water-pumping tool to wash and clean wounds should be adopted to improve the safety of wound care. The Hopkins finding comes in response to the investigation of an outbreak of the antimicrobial resistant...

Unusual reproductive behavior of odd ants surprises scientists

...rmex), that don't seem to abide by the traditional rules of caste development. They found that genetics not environment determines the fate of a developing ant, and consequently the role it will play in the colony. The researchers report their findings in the latest issue of the journal Current Biology. ...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...ch an approach could not be pursued under existing rules for the use of federal grant dollars," Varki said. The first author of the Nature Medicine study is Maria J. Martin, Ph.D., a post doctoral researcher in Varki's lab at UCSD. An important additional author is Gage's post doctoral fellow Alysson Muot...

Time to rewrite the species rulebook, MSU scientists say

...genes with fish. No one's calling for the species rules to be rewritten so that humans are lumped with their distant underwater relatives. And when it comes to bacteria, the authors say, the current species definition appears to be too liberal. Much of the differences between genetically-similar bact...

New RNA polymerase discovered in plants

...ntly different from the other RNA polymerases, the rules of activity are different for Pol IV." Pikaard said the Pol IV has a perfect match in rice, the only other plant genome to be sequenced, despite rice being a monocotyledon and Arabidopsis a dicotyledon. "These two plants diverged 200...

Other highlights in the February 16 JNCI

...technology will require application of appropriate rules of evidence in the design, conduct, and interpretation of clinical research about molecular markers," he writes. Contacts: Baggerly et al.: Nancy Jensen, M. D. Anderson Cancer Center, 713-792-0655, nwjensen@mdanderson.org Liotta et al.: National ...

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(Date:11/18/2014)... , Nov. 18, 2014  The Secure Identity ... Association today jointly announce the formation of The ... of its Identity and Biometric Entry and ... Framework received official support from BORDERPOL, the international ... improve and provide expertise regarding border security, traveler ...
(Date:11/18/2014)... BETHESDA, Md. , Nov. 17, 2014 The ... European and U.S. regulatory agencies will speak and at least ... Quality Metrics Conference at the Omni Shoreham Hotel in ... is pleased once again to have significant support from the ... and Europe in our effort to ...
(Date:11/15/2014)... , Nov. 13, 2014  While we may still be ... McCoy used in "Star Trek" to gain instant access to ... to work with smartphones and tablets for monitoring and measuring ... healthcare world. This may seem a tad Orwellian to some, ... adopt some of these technological opportunities into their healthcare regime. ...
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